WHOOP is a wearable fitness and health tracker built to optimize performance, recovery, and sleep. By analyzing metrics such as heart rate variability (HRV), strain, and recovery scores, it provides personalized insights to enhance physical activity and rest. Its minimalist, screen-free design enables 24/7 tracking, while the app offers detailed coaching and analysis. Favored by athletes and health enthusiasts, WHOOP supports overall well-being through continuous monitoring and actionable recommendations.